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14NM NE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:37 pm EDT Apr 18, 2026
Forecast Valid: 1am EDT Apr 19, 2026-6pm EDT Apr 25, 2026

Sunday

SSE wind 5 to 10 kt becoming WNW in the afternoon. Rain. Patchy fog before 10am, then Patchy fog between noon and 3pm. Seas 1 ft or less.

Sunday Night

W wind 7 to 10 kt decreasing to 5 to 8 kt after midnight. Winds could gust as high as 20 kt. Rain likely, mainly before 7pm. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.